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The green sea turtle (Chelonia mydas), also known as the green turtle, black (sea) turtle or Pacific green turtle, [4] is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus Chelonia . [ 5 ]
In contrast to their earth-bound relatives, tortoises, sea turtles do not have the ability to retract their heads into their shells. Their plastron, which is the bony plate making up the underside of a turtle or tortoise's shell, is comparably more reduced from other turtle species and is connected to the top part of the shell by ligaments without a hinge separating the pectoral and abdominal ...
African side-necked turtles (Pelomedusidae) Species Common name(s) Notes Image Pelusios subniger [4] East African black mud turtle: Introduced. Scaly sea turtles (Cheloniidae) Species Common name(s) Notes Image Caretta caretta: Loggerhead turtle: Endangered. Chelonia mydas: Green turtle: Endangered. Eretmochelys imbricata: Hawksbill turtle ...
Other sea turtle species are smaller, ranging from as little as 60 cm (2 ft) long in the case of the Kemp's ridley, which is the smallest sea turtle species, to 120 cm (3.9 ft) long in the case of the green turtle, the second largest. [5] [12] The skulls of sea turtles have cheek regions that are enclosed in bone.
Example species Example image Carettochelyidae Boulenger, 1887: 1: Pig-nosed turtle: Pig-nosed turtle (Carettochelys insculpta) Cheloniidae Oppel, 1811: 6: Sea turtles: Green sea turtle (Chelonia mydas) Chelydridae Gray, 1831: 2: Snapping turtles: Alligator snapping turtle (Macrochelys temminckii) Dermatemydidae Gray, 1870 : 1: Central American ...
Green turtles average 3-4 feet in carapace length, and weigh between 240 and 420 pounds once fully grown. [8] The diet of green turtles ranges throughout their lifetime, from small crustaceans and aquatic insects at a young age, to mainly sea grasses and algae as an adult. The turtles inhabit coastlines around islands and protected shores in ...
A green sea turtle grazing on seagrass . Most turtle species are opportunistic omnivores; land-dwelling species are more herbivorous and aquatic ones more carnivorous. [26] Generally lacking speed and agility, most turtles feed either on plant material or on animals with limited movements like mollusks, worms, and insect larvae. [13]
This is a list of reptiles of Europe.It includes all reptiles currently found in Europe.It does not include species found only in captivity or extinct in Europe, except where there is some doubt about this, nor (with few exceptions) does it currently include species introduced in recent decades.